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Error installing libv8: ERROR: Failed to build gem native extension
...ile.
Rails is happy to use which ever runtime it can find. execjs,nodejs etc. are all possible options.
Microsoft already embeds JScript runtime for javascript on windows, and Rails uses it. See this for more
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Regular expression to check if password is “8 characters including 1 uppercase letter, 1 special cha
...ular expression. This is sets and counting.
Regular expressions are about order.
In your life as a programmer you will asked to do many things that do not make sense. Learn to dig a level deeper. Learn when the question is wrong.
The question (if it mentioned regular expressions) is wrong.
Pseud...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...shared preferences can be used by all the components (activities, services etc) of the applications.
Activity handled preferences: These preferences can only be used within the particular activity and can not be used by other components of the application.
Shared Preferences:
The shared preferenc...
Make an HTTP request with android
...ancel. Ease of customization, for
example, for retry and backoff. Strong ordering that makes it easy to
correctly populate your UI with data fetched asynchronously from the
network. Debugging and tracing tools.
You can send a http/https request as simple as this:
// Instantiate the ...
Why should I avoid std::enable_if in function signatures
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How are GCC and g++ bootstrapped?
...in C++.
When you compile GCC or any other self-hosting compiler, the full order of building is:
Build new version of GCC with existing C compiler
re-build new version of GCC with the one you just built
(optional) repeat step 2 for verification purposes.
This process is called bootstrapping. It ...
How to duplicate a whole line in Vim?
... do, and you can put the number of lines to reach backwards in y9j or y2k, etc.. Only difference is that your count has to be n-1 for a total of n lines, but your head can learn that anyway.
– zelk
Mar 9 '14 at 13:29
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How would you make two s overlap?
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Using CSS, you set the logo div to position absolute, and set the z-order to be above the second div.
#logo
{
position: absolute:
z-index: 2000;
left: 100px;
width: 100px;
height: 50px;
}
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Java associative-array
How can I create and fetch associative arrays in Java like I can in PHP?
15 Answers
15...
Handling a colon in an element ID in a CSS selector [duplicate]
... browsers: Including IE6+ (and possibly earlier?), Firefox, Chrome, Opera, etc. It's part of the CSS2 standard.
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